EP 2055898 A3 20121031 - Turbine airfoil with platform cooling
Title (en)
Turbine airfoil with platform cooling
Title (de)
Turbinenschaufel mit Plattformkühlung
Title (fr)
Aube de turbine dotée de refroidissement de plate-forme
Publication
Application
Priority
US 98257807 A 20071102
Abstract (en)
[origin: EP2055898A2] Convective cooling of gas turbine engine airfoil platforms (60) is enhanced by grooving the interface of the platforms with corresponding platform-to-platform seals (95), thereby accelerating cooling airflow over the platform surfaces (65, 70).
IPC 8 full level
F01D 5/08 (2006.01); F01D 5/18 (2006.01); F01D 11/00 (2006.01)
CPC (source: EP US)
F01D 5/081 (2013.01 - EP US); F01D 5/187 (2013.01 - EP US); F01D 11/008 (2013.01 - EP US); F05D 2240/57 (2013.01 - EP US); F05D 2240/81 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP US)
Citation (search report)
- [X] EP 0717170 A1 19960619 - UNITED TECHNOLOGIES CORP [US]
- [X] WO 2007063128 A1 20070607 - SIEMENS AG [DE], et al
- [X] GB 2280935 A 19950215 - ROLLS ROYCE PLC [GB]
- [X] US 5281097 A 19940125 - WILSON PAUL S [US], et al
- [X] US 7021898 B2 20060404 - ELLIOTT ROBERT [GB], et al
- [X] EP 1164253 A1 20011219 - SNECMA MOTEURS [FR]
- [X] FR 2758855 A1 19980731 - SNECMA [FR]
- [X] US 5531457 A 19960702 - TIBBOTT IAN [CA], et al
- [X] GB 2239679 A 19910710 - GEN ELECTRIC [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2055898 A2 20090506; EP 2055898 A3 20121031; EP 2055898 B1 20190109; US 2009116953 A1 20090507; US 8240981 B2 20120814
DOCDB simple family (application)
EP 08252910 A 20080902; US 98257807 A 20071102